Merge remote-tracking branch 'upstream/master' into staging

pkgs/development/libraries/glibc/common.nix

@@ -39,7 +39,6 @@ let
   version = "2.27";
   patchSuffix = "";
   sha256 = "0wpwq7gsm7sd6ysidv0z575ckqdg13cr2njyfgrbgh4f65adwwji";
-  cross = if buildPlatform != hostPlatform then hostPlatform else null;
 in
 
 assert withLinuxHeaders -> linuxHeaders != null;
@@ -49,9 +48,6 @@ stdenv.mkDerivation ({
   inherit version installLocales;
   linuxHeaders = if withLinuxHeaders then linuxHeaders else null;
 
-  # The host/target system.
-  crossConfig = if cross != null then cross.config else null;
-
   inherit (stdenv) is64bit;
 
   enableParallelBuilding = true;
@@ -123,11 +119,12 @@ stdenv.mkDerivation ({
        else "--disable-profile")
     ] ++ lib.optionals withLinuxHeaders [
       "--enable-kernel=3.2.0" # can't get below with glibc >= 2.26
-    ] ++ lib.optionals (cross != null) [
-      (if cross ? float && cross.float == "soft" then "--without-fp" else "--with-fp")
-    ] ++ lib.optionals (cross != null) [
+    ] ++ lib.optionals (hostPlatform != buildPlatform) [
+      (if hostPlatform.platform.gcc.float or (hostPlatform.parsed.abi.float or "hard") == "soft"
+       then "--without-fp"
+       else "--with-fp")
       "--with-__thread"
-    ] ++ lib.optionals (cross == null && stdenv.isAarch32) [
+    ] ++ lib.optionals (hostPlatform == buildPlatform && hostPlatform.isAarch32) [
       "--host=arm-linux-gnueabi"
       "--build=arm-linux-gnueabi"
 
@@ -179,7 +176,7 @@ stdenv.mkDerivation ({
     }
 
 
-  '' + lib.optionalString (cross != null) ''
+  '' + lib.optionalString (hostPlatform != buildPlatform) ''
     sed -i s/-lgcc_eh//g "../$sourceRoot/Makeconfig"
 
     cat > config.cache << "EOF"
@@ -213,7 +210,7 @@ stdenv.mkDerivation ({
   } // meta;
 }
 
-// lib.optionalAttrs (cross != null) {
+// lib.optionalAttrs (hostPlatform != buildPlatform) {
   preInstall = null; # clobber the native hook
 
   dontStrip = true;